This song is not currently available in your country or region.

Hello itifs,

Thanks for using the Apple Support Communities!

Are you currently an iTunes Match or Apple Music subscriber? If not, are you currently using Sync Library? If you're not sure if you're using Sync Library, this article can help you check: If songs are missing from your music library after you turn on Sync Library - Apple Support

This info can help narrow down what may be happening here.

Cheers!

itifs,

Understood. If you are not an Apple Music or iTunes Match subscriber and you see this message with music you purchased in the iTunes Store, then we would recommend reaching out to our Billing Support next. They would be the best equipped to look into this issue further with you. Contact them here: Apple Support

Take care.